An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.
NSN 5960-00-359-7768
NSN 5960-01-381-2478
NSN 6685-01-323-5272
NSN 5999-01-466-4463
NSN 4140-01-619-2919
NSN 6135-01-377-5729
NSN 4140-00-489-3020
NSN 5996-00-403-7981
NSN 5920-00-579-2286
NSN 6145-01-331-3287
NSN 5930-00-458-4201
NSN 6240-00-403-1272